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Finding the Fourth Proportional to 499,901, 689,863.44 and 273,546.56

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Solution

The fourth proportional to 499,901, 689,863.44 and 273,546.56 is: 377,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,901 : 689,863.44 = 273,546.56 : x
  2. Step 2: Convert to fraction form
    499,901/689,863.44 = 273,546.56/x
  3. Step 3: Cross multiply
    499,901x = 689,863.44 × 273,546.56
  4. Step 4: Simplify right side
    499,901x = 188,709,770,881.77
  5. Step 5: Solve for x
    x = 188,709,770,881.77/499,901
  6. Step 6: Final answer
    x = 377,494.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.